Daily Practice · Higher

Daily Practice - Higher

14th April 1996

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
24 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Box Plots2 marks
A box plot has a minimum of 16 and a maximum of 57. Work out the range.
3
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes are possible?
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 7x + 9, work out y when x = -3.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 7, y = 5. Work out y when x = 5.

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